This Bible contradiction is from the EvilBible.com.
Goliath (in the original pre-translated text, not shown below)
2 Samuel 21:19 View context
And there was again a battle in Gob with the Philistines, where Elhanan the son of Jaare-oregim, a Beth-lehemite, slew [the brother of] Goliath the Gittite, the staff of whose spear [was] like a weaver's beam.
1 Chronicles 20:5 View context
And there was war again with the Philistines; and Elhanan the son of Jair slew Lahmi the brother of Goliath the Gittite, whose spear staff [was] like a weaver's beam.